2

Itchy Breast:
Paget's disease of the nipple is a rare form of breast cancer and on the surface, has the same symptoms of nipple eczema: crusty, scaling rash with the sensation of burning and itchiness. It usually occurs on just one nipple, so if the rash on just one nipple persists, it is best to get a thorough exam for the peace of mind. I usually time it with my annual gynecology exam.
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3

Possible:
Anxiety can definitely cause physical symptoms in the head, chest, back and arms. But these can also be signs of other serious health conditions so you should see your doctor and have a thorough examination so that you can treated for the correct problem.
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4

Small lump:
As described, it sounds like you had a localized abscess or type of localized infection (with the redness, palpable lump, and warmth). Since the lump is still there, you need to have it evaluated to be safe to assure it does not need antibiotics or to assure it is not something more serious. Best wishes.
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5

Breast pain ; lumps:
Breast changes need to be evaluated by a doctor. I cannot tell what you may have without a physical exam. Possibilities range from simple skin infection to breast cysts or even tumors. Please see a doctor for an exam.
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6

See your doctor:
A red sore spot on your breast can have many causes and you may have increased the risk of infection by trying to open it yourself. See your PCP, gynecologist, or an urgent care clinic to have it evaluated and treated. Hope this helps and you feel better fast.
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9

DR visit:
You prob do not need to go to the ER, but you do need to see your DR.
Your DR will have your history and your family history available.
After an exam, answer will be available for you.
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